Freshwater Resources Chapter 4, Lesson 3. Where do we get our water from?  Running water  Standing water  Reservoirs: man-made lakes used to store.

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Presentation transcript:

Freshwater Resources Chapter 4, Lesson 3

Where do we get our water from?  Running water  Standing water  Reservoirs: man-made lakes used to store water. made by dams.  Groundwater  Running water  Standing water  Reservoirs: man-made lakes used to store water. made by dams.  Groundwater

Aquifer

Watershed  Area of land that drains into a specific river  California has 10 major watersheds  Flooding can damage a watershed  Area of land that drains into a specific river  California has 10 major watersheds  Flooding can damage a watershed

Watersheds  It is important to NOT disturb watersheds BECAUSE:  Supplies groundwater  Replaces water  Refill sources of water  It is important to NOT disturb watersheds BECAUSE:  Supplies groundwater  Replaces water  Refill sources of water

What Causes Polluted Water?  Contaminated water  Water can get contaminated by rain and land  Contaminated water  Water can get contaminated by rain and land

Laws That Protect Freshwater Resources  2 Laws: Safe Drinking Water Act Clean Water Act  2 Laws: Safe Drinking Water Act Clean Water Act

How are Fresh Water Resources Cleaned?  The water that flows to houses and businesses is treated in a water treatment plant.

Steps of Freshwater Treatment Coagulation Sedimentation Filtration DisinfectionStorage